ARC Centre of Excellence in Synthetic Biology, Institute of Society and Culture, Western Sydney University, NSW 2751, Australia.
Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, NS B3H 4R2, Canada.
Proc Natl Acad Sci U S A. 2022 Nov 16;119(46):e2202538119. doi: 10.1073/pnas.2202538119. Epub 2022 Nov 2.
Understanding community-level selection using Lewontin's criteria requires both community-level inheritance and community-level heritability, and in the discipline of community and ecosystem genetics, these are often conflated. While there are existing studies that show the possibility of both, these studies impose community-level inheritance as a product of the experimental design. For this reason, these experiments provide only weak support for the existence of community-level selection in nature. By contrast, treating communities as interactors (in line with Hull's replicator-interactor framework or Dawkins's idea of the "extended phenotype") provides a more plausible and empirically supportable model for the role of ecological communities in the evolutionary process.
使用 Lewontin 的标准理解群落水平选择需要群落水平的遗传和群落水平的遗传力，而在群落和生态系统遗传学领域，这两者经常被混淆。虽然有一些现有的研究表明存在这两种可能性，但这些研究将群落水平的遗传作为实验设计的产物。由于这个原因，这些实验只提供了群落水平选择在自然界中存在的微弱证据。相比之下，将群落视为相互作用者（符合 Hull 的复制子-相互作用者框架或 Dawkins 的“扩展表型”思想）为生态群落在进化过程中的作用提供了一个更合理和更具经验支持的模型。
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